Ac-DL-xiIle-DL-Ser-DL-xiThr(1)-DL-Arg-DL-Lys(2)-DL-Tyr-DL-Pro-DL-Ser(3)-DL-Asp(1)-DL-Trp-DL-Glu(3)-DL-Glu(2)-DL-Ala(indol-2-yl)-OH

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Ac-DL-xiIle-DL-Ser-DL-xiThr(1)-DL-Arg-DL-Lys(2)-DL-Tyr-DL-Pro-DL-Ser(3)-DL-Asp(1)-DL-Trp-DL-Glu(3)-DL-Glu(2)-DL-Ala(indol-2-yl)-OH

2-[[30-[[2-[(2-acetamido-3-methylpentanoyl)amino]-3-hydroxypropanoyl]amino]-33-(3-carbamimidamidopropyl)-4-[(4-hydroxyphenyl)methyl]-22-(1H-indol-3-ylmethyl)-29-methyl-2,5,11,16,21,24,27,31,34,41,46,48-dodecaoxo-15,28-dioxa-3,6,12,20,23,32,35,40,45,47-decazatetracyclo[17.16.11.213,25.06,10]octatetracontane-44-carbonyl]amino]-3-(1H-indol-2-yl)propanoic acid